foolish

1. Origins, structure, and basic meaning

• Structure: 痴 has 13 strokes and appears in words concerning foolishness or a lack of a particular ability.
• Basic usage: 愚痴 is read ぐち, and 音痴 is read おんち.

2. Common pitfalls and similar expressions

• Complaints and singing ability
  • 仕事の愚痴 means complaints or grumbling about work.
  • 音痴 describes someone who has difficulty singing in tune. The word concerns a particular ability, not the person's overall intelligence.